import React from 'react'
import reactDom from 'react-dom'
const App = (props) => {
  console.log(props);
  return (
    <div>
      你好react
     
      {/*
      这是jsx中注释
      */}
    </div>
  )
}
reactDom.render(
  <App title="第一天学习react" a={10}/>
    ,
  document.querySelector('#root')
)